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    <title>NoteGen - AI驱动的智能笔记革命</title>
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    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 px-6">
        <div class="max-w-6xl mx-auto">
            <div class="text-center">
                <h1 class="text-5xl md:text-7xl font-bold mb-6 serif-font">NoteGen</h1>
                <p class="text-2xl md:text-3xl mb-8 font-light">AI驱动的智能笔记革命</p>
                <p class="text-lg md:text-xl max-w-3xl mx-auto mb-12 opacity-90">
                    <span class="drop-cap">让</span>碎片化知识在AI的魔法下，转化为结构化的智慧宝库。从混乱到有序，从记录到创作，NoteGen重新定义你的知识管理体验。
                </p>
                <div class="flex flex-wrap justify-center gap-4">
                    <a href="https://github.com/codexu/note-gen" class="bg-white text-purple-700 px-8 py-4 rounded-full font-semibold hover:bg-gray-100 transition-all inline-flex items-center gap-2">
                        <i class="fab fa-github"></i> 访问 GitHub
                    </a>
                    <a href="https://notegen.top/en/docs/download#desktop-beta" class="bg-transparent border-2 border-white text-white px-8 py-4 rounded-full font-semibold hover:bg-white hover:text-purple-700 transition-all inline-flex items-center gap-2">
                        <i class="fas fa-download"></i> 立即下载
                    </a>
                </div>
            </div>
        </div>
    </section>

    <!-- Problem Section -->
    <section class="py-16 px-6">
        <div class="max-w-6xl mx-auto">
            <h2 class="text-4xl font-bold text-center mb-12 serif-font">
                <span class="gradient-text">传统笔记的痛点</span>
            </h2>
            <div class="grid md:grid-cols-3 gap-8">
                <div class="card-hover bg-white rounded-xl p-8 shadow-lg">
                    <div class="text-4xl mb-4 text-red-500 feature-icon inline-block">
                        <i class="fas fa-clock"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">耗时的手动整理</h3>
                    <p class="text-gray-600">从剪贴板、截图或链接中提取关键信息需要大量时间，容易遗漏重要细节。</p>
                </div>
                <div class="card-hover bg-white rounded-xl p-8 shadow-lg">
                    <div class="text-4xl mb-4 text-orange-500 feature-icon inline-block">
                        <i class="fas fa-sync-alt"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">复杂的跨设备同步</h3>
                    <p class="text-gray-600">多设备间的数据同步困难重重，数据丢失风险让人提心吊胆。</p>
                </div>
                <div class="card-hover bg-white rounded-xl p-8 shadow-lg">
                    <div class="text-4xl mb-4 text-yellow-500 feature-icon inline-block">
                        <i class="fas fa-pen"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3">缺乏智能辅助</h3>
                    <p class="text-gray-600">写作时缺少AI支持，处理数学公式或图表时效率低下。</p>
                </div>
            </div>
        </div>
    </section>

    <div class="section-divider"></div>

    <!-- Core Features -->
    <section class="py-16 px-6">
        <div class="max-w-6xl mx-auto">
            <h2 class="text-4xl font-bold text-center mb-12 serif-font">
                <span class="gradient-text">核心功能矩阵</span>
            </h2>
            <div class="grid md:grid-cols-2 gap-12">
                <div class="space-y-8">
                    <div class="flex gap-4">
                        <div class="text-3xl text-purple-600 feature-icon">
                            <i class="fas fa-robot"></i>
                        </div>
                        <div>
                            <h3 class="text-2xl font-bold mb-2">AI笔记生成与整理</h3>
                            <p class="text-gray-600">智能聊天助手将对话和碎片信息自动转化为结构化Markdown笔记，大幅节省手动编辑时间。</p>
                        </div>
                    </div>
                    <div class="flex gap-4">
                        <div class="text-3xl text-blue-600 feature-icon">
                            <i class="fas fa-layer-group"></i>
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                        <div>
                            <h3 class="text-2xl font-bold mb-2">多种输入支持</h3>
                            <p class="text-gray-600">兼容文本、截图、插图、链接和文件记录，轻松捕获各种来源的信息。</p>
                        </div>
                    </div>
                    <div class="flex gap-4">
                        <div class="text-3xl text-green-600 feature-icon">
                            <i class="fas fa-code"></i>
                        </div>
                        <div>
                            <h3 class="text-2xl font-bold mb-2">扩展Markdown输出</h3>
                            <p class="text-gray-600">支持数学公式、脑图、图表和流程图等高级语法，配合所见即所得编辑器创建专业文档。</p>
                        </div>
                    </div>
                </div>
                <div class="space-y-8">
                    <div class="flex gap-4">
                        <div class="text-3xl text-indigo-600 feature-icon">
                            <i class="fas fa-database"></i>
                        </div>
                        <div>
                            <h3 class="text-2xl font-bold mb-2">RAG知识库集成</h3>
                            <p class="text-gray-600">构建个人知识库，支持嵌入模型和重排序，提高查询和写作的准确性。</p>
                        </div>
                    </div>
                    <div class="flex gap-4">
                        <div class="text-3xl text-pink-600 feature-icon">
                            <i class="fas fa-magic"></i>
                        </div>
                        <div>
                            <h3 class="text-2xl font-bold mb-2">AI写作辅助</h3>
                            <p class="text-gray-600">提供润色、续写等功能，集成OpenAI或本地Ollama等主流模型，优化内容质量。</p>
                        </div>
                    </div>
                    <div class="flex gap-4">
                        <div class="text-3xl text-teal-600 feature-icon">
                            <i class="fas fa-sync"></i>
                        </div>
                        <div>
                            <h3 class="text-2xl font-bold mb-2">跨平台同步</h3>
                            <p class="text-gray-600">基于GitHub私有仓库的免费同步方案，支持版本回滚，确保数据安全。</p>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Visualization -->
    <section class="py-16 px-6 bg-white">
        <div class="max-w-6xl mx-auto">
            <h2 class="text-4xl font-bold text-center mb-12 serif-font">
                <span class="gradient-text">工作流程可视化</span>
            </h2>
            <div class="mermaid">
                graph LR
                    A[碎片化输入] -->|AI处理| B[结构化笔记]
                    B --> C[知识库构建]
                    C --> D[智能检索]
                    D --> E[AI辅助写作]
                    E --> F[专业文档输出]
                    
                    style A fill:#fef3c7,stroke:#f59e0b,stroke-width:2px
                    style B fill:#ddd6fe,stroke:#8b5cf6,stroke-width:2px
                    style C fill:#cffafe,stroke:#06b6d4,stroke-width:2px
                    style D fill:#d1fae5,stroke:#10b981,stroke-width:2px
                    style E fill:#fce7f3,stroke:#ec4899,stroke-width:2px
                    style F fill:#e0e7ff,stroke:#6366f1,stroke-width:2px
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    </section>

    <div class="section-divider"></div>

    <!-- Use Cases -->
    <section class="py-16 px-6">
        <div class="max-w-6xl mx-auto">
            <h2 class="text-4xl font-bold text-center mb-12 serif-font">
                <span class="gradient-text">真实使用场景</span>
            </h2>
            <div class="space-y-8">
                <div class="highlight-box">
                    <h3 class="text-2xl font-bold mb-3 flex items-center gap-3">
                        <i class="fas fa-graduation-cap text-purple-600"></i>
                        学生复习场景
                    </h3>
                    <p class="text-gray-700">在线课程学习时，通过截图和文本记录快速捕获讲义要点，AI助手自动整理成带公式和图表的Markdown笔记，彻底解决手动转录的低效问题。</p>
                </div>
                <div class="highlight-box">
                    <h3 class="text-2xl font-bold mb-3 flex items-center gap-3">
                        <i class="fas fa-microscope text-blue-600"></i>
                        研究人员文献管理
                    </h3>
                    <p class="text-gray-700">上传链接和文件，工具自动生成知识库索引，支持RAG查询，显著加速论文写作过程中的引用和总结工作。</p>
                </div>
                <div class="highlight-box">
                    <h3 class="text-2xl font-bold mb-3 flex items-center gap-3">
                        <i class="fas fa-feather-alt text-green-600"></i>
                        作家团队协作
                    </h3>
                    <p class="text-gray-700">多人同步和版本控制功能允许团队实时协作编辑脑图和流程